Concrete Mine 10.1 Troy Oz KMM Serial Number 1 Inverted Reverse Gilpin, Colorado

Concrete Mine 10.1 Troy Oz KMM Serial Number 1 Inverted Reverse Gilpin, Colorado Only 4 bars were made Refined, Assayed, Poured and Stamped by William Kazel Part of a four piece set. Part of a larger Kazel Mountain Mine Set as well. Formally of the Clarence Criswell Collection